United States Patent 1719440
Inventors:
Nathan, Edwin B.
Publication Date:
07/02/1929
Assignee:
Nathan, Edwin B.
Other Classes:
248/163.200, 248/166, 5/314.100, 403/171, 5/282.100, 182/181.100, 403/217, 211/204
International Classes:
A45F3/24; A45F3/00